| Acronym | Meaning |
 | BC | Before Christ - Blind Copy (in Emailers) - Boston College -Botswana (FIPS 10-4 Country Code; From Bechuanaland) - British Columbia (postal Symbol) |
| SHORAD | Short Range Air Defence |
| MTV | MainosTeleVisio (Finnish Commercial TV Company) - Music TeleVision |
| BY | Burundi (FIPS 10-4 Country Code) - Belarus (ISO 3166 Digram) |
| JDK | Java Development Kit |
| LBN | Lebanon (ISO 3166 Trigram) |
| LDC | Lesser Developing/Developed Country |
| UPF | Universitat Pompeu Fabra (Catalan |
| BYOF | Bring Your Own Flask |
| CFHT | Canada-France-Hawaii Telescope |
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